/* Layout */

.App {
  text-align: center;
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
}

.App-header {
  background-color: #282c34;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: calc(10px + 2vmin);
  color: white;
}

/* content Layout */
/*
div.video-container {
  position: relative;
  overflow: hidden;
}
*/
video {
  width: 100%;
  min-height: 400px;
  align-self: center;
}
/* 去除点击后的边线，简直神器 */
video:focus {
  outline: none;
}

input.input-file {
  /*
  font-size: 500px;
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
  */
  display: none;
}